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» Thesaurus Based Term Ranking for Keyword Extraction
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WWW
2009
ACM
14 years 8 months ago
Ranking community answers via analogical reasoning
Due to the lexical gap between questions and answers, automatically detecting right answers becomes very challenging for community question-answering sites. In this paper, we prop...
Xudong Tu, Xin-Jing Wang, Dan Feng, Lei Zhang
SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
14 years 7 months ago
Ranking queries on uncertain data: a probabilistic threshold approach
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Wenjie Zhang, Xuemin Lin
WSDM
2010
ACM
210views Data Mining» more  WSDM 2010»
14 years 5 months ago
Leveraging Temporal Dynamics of Document Content in Relevance Ranking
Many web documents are dynamic, with content changing in varying amounts at varying frequencies. However, current document search algorithms have a static view of the document con...
Jonathan L. Elsas, Susan T. Dumais
CLEF
2006
Springer
13 years 11 months ago
MorphoSaurus in ImageCLEF 2006: The Effect of Subwords On Biomedical IR
We here describe the subword approach we used in the 2006 ImageCLEF Medical Image Retrieval task. It is based on the assupmtion that neither fully inflected nor automatically stem...
Philipp Daumke, Jan Paetzold, Kornél G. Mar...
CIKM
2008
Springer
13 years 9 months ago
Are click-through data adequate for learning web search rankings?
Learning-to-rank algorithms, which can automatically adapt ranking functions in web search, require a large volume of training data. A traditional way of generating training examp...
Zhicheng Dou, Ruihua Song, Xiaojie Yuan, Ji-Rong W...